2000104021 has 4 divisors (see below), whose sum is σ = 2046618112. Its totient is φ = 1953589932.

The previous prime is 2000104019. The next prime is 2000104049. The reversal of 2000104021 is 1204010002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2000104021 - 2¹ = 2000104019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000103989 and 2000104007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000101021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23256981 + ... + 23257066.

It is an arithmetic number, because the mean of its divisors is an integer number (511654528).

Almost surely, 2^2000104021 is an apocalyptic number.

It is an amenable number.

2000104021 is a deficient number, since it is larger than the sum of its proper divisors (46514091).

2000104021 is an equidigital number, since it uses as much as digits as its factorization.

2000104021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46514090.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2000104021 is about 44722.5225250097. The cubic root of 2000104021 is about 1259.9428925575.

Adding to 2000104021 its reverse (1204010002), we get a palindrome (3204114023).

The spelling of 2000104021 in words is "two billion, one hundred four thousand, twenty-one".